<fieldset>
  <cds-accordion size="lg"
                 class="form-item">
    <cds-accordion-item [title]="title"
                        i18n
                        id="advanced-fieldset"
                        (selected)="showAdvanced = !showAdvanced">
      <ng-content></ng-content>
    </cds-accordion-item>
  </cds-accordion>

  <ng-template #title>
    <h5 class="cds--accordion__title cd-header">Advanced</h5>
  </ng-template>
</fieldset>
